147363889 has 2 divisors, whose sum is σ = 147363890. Its totient is φ = 147363888.

The previous prime is 147363883. The next prime is 147363907. The reversal of 147363889 is 988363741.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95883264 + 51480625 = 9792^2 + 7175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147363889 is a prime.

It is a super-2 number, since 2×147363889² = 43432231562408642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (147363883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73681944 + 73681945.

It is an arithmetic number, because the mean of its divisors is an integer number (73681945).

Almost surely, 2^147363889 is an apocalyptic number.

It is an amenable number.

147363889 is a deficient number, since it is larger than the sum of its proper divisors (1).

147363889 is an equidigital number, since it uses as much as digits as its factorization.

147363889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 49.

The square root of 147363889 is about 12139.3529069716. The cubic root of 147363889 is about 528.1983311873.

The spelling of 147363889 in words is "one hundred forty-seven million, three hundred sixty-three thousand, eight hundred eighty-nine".